This set includes four remanufactured toner cartridges for the HP 641A series, featuring black, cyan, magenta, and yellow. Each cartridge is designed to deliver a total yield of up to 17,000 pages, ensuring reliable performance for your printing needs. These cartridges are fully disassembled and rebuilt to meet high-quality standards, providing consistent print quality with every use. The use of remanufactured cartridges does not void your printer's warranty and is backed by a 2-year guarantee.